Sedimentation Pond No 18 dam
Sedimentation Pond No 18
Sedimentation Pond No 18, located in Jewett, Texas, serves as a vital infrastructure for managing tailings from mining activities in the area. The dam, primarily constructed with earth materials, stands at a height of 18 feet and has a storage capacity of 825 acre-feet. The pond covers a surface area of 52 acres and is situated along Lambs Creek in Leon County, Texas. Despite being privately owned, the state regulatory agency TCEQ oversees the permitting, inspection, and enforcement processes for Sedimentation Pond No 18.
With a high risk assessment rating of 2, Sedimentation Pond No 18 faces potential hazards that necessitate proper risk management measures. The pond does not have a spillway and is equipped with only one outlet gate. Although the condition assessment is not rated and the last inspection date was in 2011, the dam's structural integrity and functionality are crucial for ensuring the safety of the surrounding environment and community. As a part of the Mine Safety and Health Administration's regulatory oversight, Sedimentation Pond No 18 plays a critical role in managing water resources and mitigating the impact of mining activities on the local ecosystem.
As water resource and climate enthusiasts, understanding the significance of infrastructure like Sedimentation Pond No 18 in managing tailings and protecting water quality is essential. The pond's location along Lambs Creek highlights the interconnectedness of water bodies and the need for responsible dam management practices. Monitoring the condition and safety of Sedimentation Pond No 18, especially in the face of potential hazards, is crucial for maintaining ecological balance and safeguarding water resources in the region.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Sedimentation Pond No 18 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Big Ck Nr Freestone | 26 cfs | → |
| Navasota Rv Nr Easterly | 149 cfs | → |
| Navasota Rv Abv Groesbeck | 0 cfs | → |
| Upper Keechi Ck Nr Oakwood | 36 cfs | → |
| Navasota Rv At Old Spanish Rd Nr Bryan | 250 cfs | → |
| Tehuacana Ck Nr Streetman | 0 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Sedimentation Pond No 18.
Campgrounds
- Public Use Area 5 - Thornton
- Public Use Area 3 - Groesbeck
- Public Use Area 2 - Groesbeck
- Fort Parker State Park
- Fairfield Lake State Park
- Lake Mexia Rec Area
Track Sedimentation Pond No 18 in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Sedimentation Pond No 18
Where does the data for Sedimentation Pond No 18 come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the Not Available hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Sedimentation Pond No 18.